CN108279147B - Electric hammering device of compaction instrument - Google Patents

Electric hammering device of compaction instrument Download PDF

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Publication number
CN108279147B
CN108279147B CN201810102882.0A CN201810102882A CN108279147B CN 108279147 B CN108279147 B CN 108279147B CN 201810102882 A CN201810102882 A CN 201810102882A CN 108279147 B CN108279147 B CN 108279147B
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compaction
hammer
vertical
connecting rod
power box
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CN201810102882.0A
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CN108279147A (en
Inventor
李哲
王中将
夏树峥
朱振国
徐豹之
朱家晖
张庭顺
刘阳
李文
代保森
王聚军
朱金环
郭胜男
张娟
曹升亮
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CCCC First Highway Consultants Co Ltd
Changan University
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CCCC First Highway Consultants Co Ltd
Changan University
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Priority to CN201810102882.0A priority Critical patent/CN108279147B/en
Publication of CN108279147A publication Critical patent/CN108279147A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses an electric hammering device of a compaction instrument, which is characterized in that a four-leg hammer device, a power device, a rotating device and a compaction barrel body are arranged, the rotating device can rotationally fix the power device on the compaction barrel body through a rotating bracket, a driving motor and a slideway for sliding a vertical sliding rod of the four-leg hammer device are arranged in the power device, one side of the vertical sliding rod is provided with a rack which is meshed with a driving gear, the rack of the four-leg hammer device is meshed with the driving gear of the driving motor, so that the lifting and free-falling body movement of the four-leg hammer device are driven to achieve the aim of compaction, the lifting height of each time of a compaction hammer and the weight of the compaction hammer are determined, the four-leg hammer device is not contacted with a power box when falling down, the free-falling body movement of the four-leg hammer can be ensured, the geotechnical test standard is met, meanwhile, the four-leg hammer device performs circumferential rotation compaction under the rotating device in the compaction process, the equal compaction frequency at each point is ensured, and the levelness of a compaction surface is ensured.

Description

Electric hammering device of compaction instrument
Technical Field
The invention relates to a geotechnical test instrument, in particular to an electric hammering device of a compaction instrument.
Background
The compaction test of the soil sample is widely applied to the projects of building foundation soil filling, sea filling projects, earth dams, highways, airport runways and the like. And (3) determining the relation between the water content and the dry density of the soil according to a compaction method specified by the specification, so as to determine the optimal water content and the corresponding maximum dry density of the filled soil. The compaction apparatus method uses hammering to increase the density of soil, and aims to measure the water content (optimal water content) and the dry density (maximum dry density) of the soil sample under the action of a certain compaction function by using the compaction apparatus indoors, so as to know the compaction characteristic of the soil and use the compaction characteristic as the basis of on-site soil compaction control.
Some large compaction apparatuses also appear on the market at present, but the hammering system is too heavy, so that the adjustment of the height and strength of the heavy hammer is very inconvenient and laborious, the free falling of the compaction hammer cannot be ensured, the compaction energy and the impulse of the hammering cannot be calculated, and the requirement of the standard cannot be met; because of the large area of the large compaction barrel, it is not guaranteed whether the compaction frequencies at each point are equal, and it is also difficult to guarantee the level of the compaction surface.
Disclosure of Invention
The invention aims to provide an electric hammering device of a compaction instrument, which overcomes the defects of the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides an electric hammering device of compaction appearance, including four-leg hammer device, power device, rotating device and compaction staving, it is equipped with the slide rail to hit compaction staving upper end, rotating device includes the runing rest and sets up in the rotor of runing rest bottom, the rotor sets up in hitting the slide rail on the compaction staving, power device is including being fixed in the power box on the runing rest, be fixed with driving motor in the power box, the driving motor output is equipped with drive gear, be equipped with the through-hole slide along vertical direction in the power box, four-leg hammer device is including arranging the vertical slide bar in the power box through-hole slide and be fixed in the hammer block of vertical slide bar bottom, vertical slide bar one side is equipped with the rack of drive gear meshing transmission.
Further, a cross fixing frame is arranged at the lower end of the vertical sliding rod of the four-leg hammer device, a first hammer body, a second hammer body, a third hammer body and a fourth hammer body are respectively fixed on the cross fixing frame, the first hammer body, the second hammer body, the third hammer body and the fourth hammer body are round hammer bodies, and the center distances of the four hammer bodies to the center of the cross fixing frame are unequal.
Further, a ball row is arranged on one side of the through hole slideway of the power device, and the ball row is contacted with the side face of the vertical sliding rod.
Further, the rotating support of the rotating device comprises a vertical connecting rod, the upper end of the vertical connecting rod is provided with a connecting rod perpendicular to the vertical connecting rod, the front end of the connecting rod is provided with threads, the side wall of the power box body is provided with a fixing nut matched with the threads of the connecting rod, a plurality of vertical connecting rods are uniformly fixed on the outer side circumference of the power box body, the connecting rod is fixed on the power box body through the fixing nut, and the lower end of the vertical connecting rod is provided with a roller device.
Further, wherein the roller device is including being fixed in the door-type gyro wheel frame of vertical connecting rod lower extreme, is equipped with the horizontal connecting rod on the gyro wheel frame, installs vertical gyro wheel on the horizontal connecting rod, and vertical gyro wheel and compaction staving upper surface contact, gyro wheel frame lower extreme both sides are equipped with the horizontal gyro wheel, and the horizontal gyro wheel passes through the bolt connecting rod to be fixed on the gyro wheel frame.
Further, the side wall of the roller frame is provided with a through hole, and the bolt connecting rod penetrates through the through hole and is fastened through the bolt cap, so that the distance between the horizontal roller and the barrel wall of the compaction barrel body can be conveniently adjusted.
Further, a bearing is arranged between the vertical roller and the horizontal roller.
Further, a wire through hole for communicating a motor control wire is formed in the side wall of the power box body; the upper end of the power box body is provided with a power box cover through a hinge.
Further, the driving gear is a sector gear, and the sector angle is smaller than 90 degrees.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to an electric hammering device of a compaction instrument, which comprises a four-foot hammer device, a power device, a rotating device and a compaction barrel body, wherein a sliding rail is arranged at the upper end of the barrel wall of the compaction barrel body, the rotating device comprises a rotating bracket and a rotating wheel arranged at the bottom of the rotating bracket, the rotating wheel is arranged in the sliding rail on the compaction barrel body, the power device comprises a power box body fixed on the rotating bracket, a driving motor is fixed in the power box body, a driving gear is arranged at the output end of the driving motor, a through hole slideway is arranged in the power box body along the vertical direction, the four-foot hammer device comprises a vertical sliding rod arranged in the through hole slideway of the power box body and a hammer body fixed at the bottom of the vertical sliding rod, one side of the vertical sliding rod is provided with a rack meshed with the driving gear, and the rack of the driving motor is meshed with the rack of the four-foot hammer device, so that the lifting and free falling body movement of the four-foot hammer device are driven to achieve the compaction purpose, the height of each lifting of the compaction hammer and the weight of the compaction hammer are determined, the four-foot hammer device is not contacted with the power box when the four-foot hammer device is in the falling process, the free falling body movement of the four-foot hammer is ensured, no matter what layer is in the compaction device can meet the real requirement of the real-time, the real-time and the real-time impulse frequency can be well and the practical in the rotation can be guaranteed at the practical level at the time.
Further, a ball row is arranged in the power box body, so that the rack can be tightly contacted with the sector gear for propping against the vertical rod, and the friction force of the four-leg hammer during falling is reduced for ensuring the free falling of the four-leg hammer.
Further, one side of the through hole slideway of the power device is provided with a ball row, and the ball row is contacted with the side surface of the vertical sliding rod, so that the engagement between the rack on the vertical sliding rod and the driving gear is ensured, and the resistance of the vertical sliding rod to up-and-down movement in the through hole slideway of the power device is reduced.
Further, the lower end of the vertical sliding rod is provided with the cross fixing frame 102, the lower end of the cross fixing frame 102 is provided with four hammer bodies with different center distances from the center of the cross fixing frame 102, each position on the surface of a soil sample can be hammered along with the movement of the rotating rod, and two adjacent cylindrical hammers can be hammered in a crossing manner during rotation, so that the whole hammering surface is distributed more uniformly.
Further, the arc length of the sector gear on the engine determines the lifting height of the four-leg hammer, when the sector gear is meshed with the rack, the four-leg hammer is lifted, when one face of the sector gear without the gear rotates to the direction of the rack, the four-leg hammer device falls freely, the process is repeated to realize compaction of a soil sample, and the compaction work of each compaction can be ensured to be fixed.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of a driving motor according to the present invention.
Fig. 3 is a front view of the four-leg hammer device of the present invention.
Fig. 4 is a top view of the four-leg hammer device of the present invention.
Fig. 5 is a schematic view of the rack mounting structure of the four-leg hammer device of the present invention.
Fig. 6 is a schematic view of the structure of the vertical connecting rod of the present invention.
Fig. 7 is a view showing the construction of the vertical roller of the present invention.
FIG. 8 is a schematic view of the bolt connecting rod of the present invention.
Fig. 9 is a front view of the power box of the present invention.
Fig. 10 is a cross-sectional view of a power box of the present invention.
Fig. 11 is an oblique view of the power box of the present invention.
Wherein, 100, four-leg hammer device; 101. a rack; 102. a cross fixing frame; 103. a hammer body; 1031. a first ram; 1032. a second hammer; 1033. a third ram; 1034. a fourth ram; 104. a vertical slide bar; 105. a handle; 200. a power device; 201. a drive gear; 202. a driving motor; 203. a ball row; 204. a fixed screw cap; 205. a wire through hole; 206. a hinge; 300. a rotating device; 301. a vertical roller; 302. a bolt cap; 303. a bolt connecting rod; 304. a horizontal roller; 305. a vertical connecting rod; 306. a roller frame; 307. a horizontal connecting rod; 308. a fixed screw cap; 3011. a bearing; 3012. a horizontal connecting rod through hole; 400. and compacting the barrel body.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 to 11, an electric hammering device for a compaction apparatus comprises a four-leg hammer device 100, a power device 200, a rotating device 300 and a compaction barrel 400, wherein a sliding rail is arranged at the upper end of the barrel wall of the compaction barrel 400, the rotating device 300 comprises a rotating bracket and a rotating wheel arranged at the bottom of the rotating bracket, the rotating wheel is arranged in the sliding rail on the compaction barrel 400, the power device 200 comprises a power box body fixed on the rotating bracket, a driving motor 202 is fixed in the power box body, a driving gear 201 is arranged at the output end of the driving motor 202, a through hole slideway is arranged in the power box body along the vertical direction, the four-leg hammer device 100 comprises a vertical sliding rod 104 arranged in the through hole slideway of the power box body and a hammer body fixed at the bottom of the vertical sliding rod 104, and a rack 101 meshed with the driving gear 201 is arranged at one side of the vertical sliding rod 104;
the lower end of the vertical sliding rod 104 of the four-leg hammer device 100 is provided with a cross fixing frame 102, a first hammer body 1031, a second hammer body 1032, a third hammer body 1033 and a fourth hammer body 1034 are respectively fixed on the cross fixing frame 102, the first hammer body 1031, the second hammer body 1032, the third hammer body 1033 and the fourth hammer body 1034 are all round hammer bodies, and the center distances of the four hammer bodies from the center of the cross fixing frame 102 are unequal, so that the longest rotation coverage area of the cross fixing frame 102 can be completely covered; the cross fixing frame 102 is provided with a carrying handle 105;
the ball row 203 is arranged on one side of the through hole slideway of the power device 200, and the ball row 203 is contacted with the side surface of the vertical sliding rod 104, so that the engagement between the rack 101 on the vertical sliding rod 104 and the driving gear 201 is ensured, and the resistance of the vertical sliding rod 104 in the up-and-down movement in the through hole slideway of the power device 200 is reduced;
the side wall of the power box body is provided with a wire through hole 205 for the communication of a motor control wire; the upper end of the power box body is provided with a power box cover through a hinge 206;
the driving motor 202 is fixed in the power box body through bolts, so that the motor is convenient to maintain and replace regularly;
the rotating support of the rotating device 300 comprises a vertical connecting rod 305, a connecting rod 308 perpendicular to the vertical connecting rod 305 is arranged at the upper end of the vertical connecting rod 305, threads are arranged at the front end of the connecting rod 308, a fixing nut 204 matched with the threads of the connecting rod 308 is arranged on the side wall of the power box body, a plurality of vertical connecting rods 305 are uniformly fixed on the outer side of the power box body in the circumferential direction, the connecting rod 308 is fixed on the power box body through the fixing nut, and a roller device is arranged at the lower end of the vertical connecting rod 305;
specifically, four vertical connecting rods 305 are uniformly fixed on the outer side of the power box body in the circumferential direction, and the power box body is fixed through the vertical connecting rods 305;
the roller device comprises a door-type roller frame 306 fixed at the lower end of a vertical connecting rod 305, a horizontal connecting rod 307 is arranged on the roller frame 306, vertical rollers 301 are installed on the horizontal connecting rod 307, the vertical rollers 301 are in contact with the upper surface of the barrel wall of the compaction barrel 400, horizontal rollers 304 are arranged on two sides of the lower end of the roller frame 306, the horizontal rollers 304 are fixed on the roller frame 306 through bolt connecting rods 303, through holes are formed in the side walls of the roller frame 306, the bolt connecting rods 303 penetrate through the through holes and are fastened through bolt caps 302, and therefore the distance between the horizontal rollers 304 and the barrel wall of the compaction barrel 400 can be conveniently adjusted;
bearings 3011 are arranged between the vertical roller 301 and the horizontal roller 304, so that rolling friction force of the vertical roller 301 and the horizontal roller 304 is reduced; a horizontal connecting rod through hole 3012 is arranged in the middle of the vertical roller 301
Wherein the drive gear 201 is a sector gear, the sector angle is less than 90 degrees; when the sector gear is meshed with the rack, the four-leg hammer device is lifted, and when one surface of the sector gear without the gear rotates to the direction of the rack, the four-leg hammer device falls freely, and the compaction of the soil sample can be realized by repeating the process, so that the compaction work of each compaction can be ensured to be fixed.
The structural principles and steps of the present invention will be further described with reference to the accompanying drawings, in which:
firstly, the four-leg hammer device 100 is placed in the compaction barrel 400, one of the four hammer bodies is contacted with the inner wall of the compaction barrel 400, then the rotating device 300 is fixed on the barrel wall of the compaction barrel 400, the horizontal roller 304 is tightly contacted with the barrel wall by screwing the bolt cap 302, then the upper end of the vertical connecting rod 305 is fixed in the power box, the connecting rod 308 is fixed on the side wall of the power box through bolts in sequence, after the connecting rod 308 is fixed with the power box, the driving motor is fixed in the power box through bolts, the driving gear 201 is meshed with the rack 101, and at the moment, the installation of the instrument is completed.
According to the test requirements, the soil filling amount and the compaction time of each layer of soil sample are calculated, the four-leg hammer device 100 is lifted, the soil material of the first layer is poured into the compaction barrel 400 to be roughly leveled, a power supply is inserted to start compaction, the rotating support is slowly rotated while compaction is performed, the surface of the soil sample is stressed more uniformly, the compaction surface is roughened after the compaction of the first layer is finished, then the compaction of the soil sample of the second layer is performed, the compaction methods of the soil sample of the second layer and the soil sample of the third layer are the same as those of the first layer, and the soil sample of the third layer is disassembled according to the reverse installation sequence after the compaction of the soil sample of the third layer is completed.

Claims (7)

1. The utility model provides a compaction appearance electric hammering device, a serial communication port, including four-foot hammer device (100), power device (200), rotating device (300) and compaction staving (400), compaction staving (400) staving upper end is equipped with the slide rail, rotating device (300) are including rotating support and the rotor wheel of setting in rotating support bottom, the rotor wheel sets up in the slide rail on the compaction staving (400), power device (200) are including being fixed in the power box on rotating support, be fixed with driving motor (202) in the power box, driving motor (202) output is equipped with driving gear (201), be equipped with the through-hole slide along vertical direction in the power box, four-foot hammer device (100) are including arranging vertical slide bar (104) in the through-hole slide of power box and be fixed in the hammer block of vertical slide bar (104) bottom, vertical slide bar (104) one side is equipped with rack (101) with the meshing transmission of driving gear (201), wherein the vertical (104) lower extreme of four-foot hammer device (100) is equipped with cross mount (102), be fixed with first hammer block (1031) on cross (1034), the third hammer block (1034), the centre hammer block (1034) and fourth hammer block (1034) are round, fourth hammer block (1034) are the centre hammer block, etc., wherein, one side of the through hole slideway of the power device (200) is provided with a ball row (203), and the ball row (203) is contacted with the side surface of the vertical sliding rod (104).
2. The electric hammering device for the compaction instrument according to claim 1, wherein the rotating bracket of the rotating device (300) comprises a vertical connecting rod (305), a connecting rod (308) perpendicular to the vertical connecting rod (305) is arranged at the upper end of the vertical connecting rod (305), threads are arranged at the front end of the connecting rod (308), a fixing nut (204) matched with the threads of the connecting rod (308) is arranged on the side wall of the power box, a plurality of vertical connecting rods (305) are uniformly fixed on the periphery of the outer side of the power box, the connecting rod (308) is fixed on the power box through the fixing nut, and a roller device is arranged at the lower end of the vertical connecting rod (305).
3. The electric hammering device for compaction apparatus according to claim 2, wherein the roller device comprises a gate-type roller frame (306) fixed at the lower end of the vertical connecting rod (305), a horizontal connecting rod (307) is arranged on the roller frame (306), a vertical roller (301) is arranged on the horizontal connecting rod (307), the vertical roller (301) is contacted with the upper surface of the barrel wall of the compaction barrel body (400), horizontal rollers (304) are arranged at two sides of the lower end of the roller frame (306), and the horizontal rollers (304) are fixed on the roller frame (306) through bolt connecting rods (303).
4. A compaction apparatus electric hammering apparatus according to claim 3, wherein the side wall of the roller frame (306) is provided with a through hole, and the bolt connecting rod (303) is fastened through the through hole by the bolt cap (302), so that the distance between the horizontal roller (304) and the wall of the compaction barrel (400) can be adjusted.
5. The electric hammering device of compaction apparatus according to claim 1, wherein bearings are arranged between the vertical roller (301) and the horizontal roller (304).
6. The electric hammering device of the compaction instrument according to claim 1, wherein a wire hole (205) for the communication of a motor control wire is arranged on the side wall of the power box body; the upper end of the power box body is provided with a power box cover through a hinge (206).
7. The electric hammering device for a compaction apparatus according to claim 1, wherein the driving gear (201) is a sector gear, and the sector angle is smaller than 90 degrees.
CN201810102882.0A 2018-02-01 2018-02-01 Electric hammering device of compaction instrument Active CN108279147B (en)

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Application Number Priority Date Filing Date Title
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CN108279147B true CN108279147B (en) 2024-02-09

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CN109540781A (en) * 2018-12-01 2019-03-29 罗峰 Compaction test apparatus is used in a kind of construction of the highway test
CN110712291B (en) * 2019-10-18 2021-01-05 潘佳宁 Brick and tile production is beaten device with earth
CN110793825A (en) * 2019-10-30 2020-02-14 长安大学 Geotechnical model experiment compaction device suitable for multiple working conditions
CN111562152B (en) * 2020-05-19 2023-05-16 河北建筑工程学院 Integrated soil body module manufacturing device

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